I have seen Phalaenopsis bastianii with subpendent inflorescences, which is another way of saying that inflorescence attitude is not enough to characterize this species. However, squinting at the labella seen on the first photo, I can tell that the median crest (the one ornamented with hairs) is highly keeled, which is characteristic of P. bastianii. In P. mariae, a low cushion takes the place of the keel; also when inflorescences branch in this species, they tend to arch because of the weight of the flowers.

OrchidTalk --An Orchid Growers Discussion Forum brought to you by River Valley Orchidworks. A World Community where orchid beginners and experts talk about orchids and share tips on their care, cultivation, and propagation.